21
User’ s Manual
Rev. A
5-6 Power On Procedure
1.After all connections are made, close the system case cover.
2.Be sure that all switches are off (in some systems, marked with 0)
3.Make sure your power supply voltage is correctly set to 110V or 230V.
4.Connect the power supply cord into the power supply located on the back of
your system case according to your system user’ s manual.
5.Connect the power cord into a power outlet that is equipped with a surge
protector.
6.You may then turn on your devices in the following order:
Your monitor
External SCSI devices (starting with the last device on the chain)
Your system power. For ATX power supplies, you need to switch on the power
supply as well as press the ATX power switch on the front of the case.
7.The power LED on the front panel of the system case will light. For ATX
power supplies, the system LED will light when the ATX power switch is pressed.
The monitor LED may light up after the system power up. if it complies with
“green” standards or if it has a power standby feature. The system will then
run power-on tests. While the tests are running, additional messages will ap-
pear on the screen. If you do not see anything within 30 seconds from the time
you turn on the power, the system may have failed a power-on test. Recheck
your jumper settings and connections or call your retailer for assistance.
8.During power-on, hold down <Delete> to enter BIOS setup menu if you want
to run the BIOS Setup Utility.
Powering Off your computer: You must first exit or shut down your operating
system before switching off the power switch. For ATX power supplies, you
can press the ATX power switch after exiting or shutting down your operating
system. If you use Windows 95/98, click the Start button, click Shut Down,
and then click Shut down the computer. The system will give three quick beeps
after about 30 seconds and then power off after Windows shuts down.
The message “You can now safely turn off your computer” will not appear
when shutting down with ATX power supplies.
